/Engine/Source/Editor/MaterialEditor/Public/MaterialEditingLibrary.h
Set the texture parameter value for a Material Instance
static bool SetMaterialInstanceSparseVolumeTextureParameterValue ( [UMaterialInstanceConstant](API\Runtime\Engine\Materials\UMaterialInstanceConstant) * Instance, [FName](API\Runtime\Core\UObject\FName) ParameterName, [USparseVolumeTexture](API\Runtime\Engine\SparseVolumeTexture\USparseVolumeTexture) * Value, EMaterialParameterAssociation Association )